$OpenBSD: patch-Wnn_include_wnn_malloc_h,v 1.1 2015/07/25 16:47:12 espie Exp $
--- Wnn/include/wnn_malloc.h.orig	Mon Sep 16 23:30:10 1991
+++ Wnn/include/wnn_malloc.h	Sat Jul 25 17:12:43 2015
@@ -50,6 +50,7 @@
 #ifndef	WNN_MALLOC
 #define	WNN_MALLOC
 
+#if 0
 extern char *malloc0();
 extern void free0();
 extern char *realloc0();
@@ -57,4 +58,6 @@ extern char *realloc0();
 #define	malloc(s)	malloc0(s)
 #define	free(p)		free0(p)
 #define	realloc(p,s)	realloc0(p,s)
+#endif
+#include <stdlib.h>
 #endif	/* WNN_MALLOC */
